English verb conjugation COULD DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

Simple form

I could decolourise
you could decolourise
he could decolourise
we could decolourise
you could decolourise
they could decolourise

V-ing form

I could be decolourising
you could be decolourising
he could be decolourising
we could be decolourising
you could be decolourising
they could be decolourising

Perfect

I could have decolourised
you could have decolourised
he could have decolourised
we could have decolourised
you could have decolourised
they could have decolourised

V-ing perfect

I could have been decolourising
you could have been decolourising
he could have been decolourising
we could have been decolourising
you could have been decolourising
they could have been decolourising

Negation

Simple form

I could not decolourise
you could not decolourise
he could not decolourise
we could not decolourise
you could not decolourise
they could not decolourise

V-ing form

I could not be decolourising
you could not be decolourising
he could not be decolourising
we could not be decolourising
you could not be decolourising
they could not be decolourising

Perfect

I could not have decolourised
you could not have decolourised
he could not have decolourised
we could not have decolourised
you could not have decolourised
they could not have decolourised

V-ing perfect

I could not have been decolourising
you could not have been decolourising
he could not have been decolourising
we could not have been decolourising
you could not have been decolourising
they could not have been decolourising

Interrogative form

Simple form

could I decolourise?
could you decolourise?
could he decolourise?
could we decolourise?
could you decolourise?
could they decolourise?

V-ing form

could I be decolourising?
could you be decolourising?
could he be decolourising?
could we be decolourising?
could you be decolourising?
could they be decolourising?

Perfect

could I have decolourised?
could you have decolourised?
could he have decolourised?
could we have decolourised?
could you have decolourised?
could they have decolourised?

V-ing perfect

could I have been decolourising?
could you have been decolourising?
could he have been decolourising?
could we have been decolourising?
could you have been decolourising?
could they have been decolourising?

Interro-negative form

Simple form

could I not decolourise?
could you not decolourise?
could he not decolourise?
could we not decolourise?
could you not decolourise?
could they not decolourise?

V-ing form

could I not be decolourising?
could you not be decolourising?
could he not be decolourising?
could we not be decolourising?
could you not be decolourising?
could they not be decolourising?

Perfect

could I not have decolourised?
could you not have decolourised?
could he not have decolourised?
could we not have decolourised?
could you not have decolourised?
could they not have decolourised?

V-ing perfect

could I not have been decolourising?
could you not have been decolourising?
could he not have been decolourising?
could we not have been decolourising?
could you not have been decolourising?
could they not have been decolourising?

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